小自…大至…grammar point · tier 2 · range span 小自…大至… (from the smallest … to the greatest …)
Range span: sets one end at the trivial case and the other at the major case, sweeping in everything between.
字源 FORM what the parts do
小 fixes the low end, 大 the high end. 自 is a nose borrowed for self, and the from-sense it lends here marks the start point; 至 is something landing on the ground line, arrival, the far edge. 小自 anchors the span at its smallest, 大至 carries it to its largest.
故事 STORY a scene to remember it by
A line pegged at two posts, the near one low and the far one high; the whole stretch between is caught inside.
字源記憶法
框 · Frame
小自 [trivial case] 大至 [major case] 都 [predicate]
觸 · Trigger
One claim covers a whole range, and you want to mark its two ends, from the trivial to the major.
序 · The move
1Put the smallest, most trivial case after 小自.Is this the low end of the range, not the high one? 自 marks the start, the from-point.
2Put the largest, weightiest case after 大至.Is this the high end? 至 marks arrival, the far edge. Swapping the two ends reads backwards.
3Close with 都 + the predicate that covers the whole span.都 sweeps both posts and everything between under one statement.
例 · Examples
1我們公司小自from (the smallest)買筆buying a pen，大至to (the greatest)投資計畫investment plans都all / without exception由by (agent)總經理親自in person決定。
At our company, from buying a pen to investment plans, everything is decided by the general manager in person.
界 · Boundary
從…到…
從…到… traces a plain path between two points; 小自…大至… ranks the two ends as small and large extremes and implies everything in the range is swept in. Path vs graded span.
連…都… points at one extreme case to make a point; 小自…大至… names both ends of a range at once. Single hardest case vs the full span.
大至買筆，小自投資計畫 → 小自買筆，大至投資計畫 (the trivial case goes with 小自, the major with 大至; the ends do not swap)
小自買筆，大至投資計畫，總經理決定 → 小自買筆，大至投資計畫都由總經理決定 (keep 都 to sweep the whole span)
小到買筆，大到投資計畫 in formal writing → 小自買筆，大至投資計畫 (this frame fixes 自 and 至, not 到)
English 'from … to …' fronts neither end as small or large; this frame pre-labels the low end 小 and the high end 大, so the case after 小自 must be the trivial one and the case after 大至 the weighty one.